Review on π DZS Elec 2-Pack 5V 4-Channel Relay Module: Optocoupler Low Level Amplifier Trigger JD-VCC Power Amplified VCC Power - Efficient & Reliable by Dino Wilson
One of the two devices was defective - only 2 of 4 relays work
One of two sets that works great. On the other block, relays #1 and #3 are not working (their LEDs are on, but the relay is not working). #2 and #4 work as they should.
Pros
- Everything is fine!
Cons
- Only available in white
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